Mop-press.



R. B. GILGHRIST.

MGP PRESS.

APPLIOATION `FILED umu, 190s.

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COLUMBIA PLANQGRAPH C0.,WASHINGTON. D. c.

R. B. GILGHRIST.

MOP PRESS. APPL'IUATION FILED JAN. 11, 190e.

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Patented Dec. 30, 1913.

2 SHEETS-SHEET 2.

UNITED STATES 4PATENT FFQF;

RAYMOND B. GILCI-IRIST, 0F NEWARK, NEW JERSEY.

MOP-PRESS.

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To all whom t may concern:

Be it known that I, RAYMOND B. GIL` CHRIST, a resident of Newark, in the count f of Essex and State of New Jersey, have 1nvented certain new and useful Improvements in Mop-Presses, of which the followi press water from a mop or like article.

The invention designs to provide an improved press-operating' mechanism comprising a lever and a device whereby the power of the lever will be most advantageously aplied. p A further object of the invention is to provide an operating-mechanism whereby the power applied to the lever will be differentially and effectively applied to the movable member ofV the press during the latter part of a compressing-operation, despite any variation of thickness in the mop cloth.

Mop-cloths vary in thickness a considerable extent and if the lever and its connections are such as to more eectively apply power during only the latter portion of the stroke ofthe lever the device is not so effective when a materially thicker mop-cloth is used.

The invention designs to provide an improved press in which the power is eiectively applied and great leverage is attained Vduring an extended portion of the stroke,

so that the liquid will be thoroughly expressed from the elo-th whether a comparatively thin'or thick mop-cloth is placed in the press.

The invention further designs to provide an improved construction of mop-press embodying members which are of such construction that the presser-plate may be formed of sheet-metal.

The invention still further designs to provide a mop-press which is simple in construction, eiiicient in operation and can be produced at a low cost.

The invent-ion consists in the several novel features hereinafter set forth and more particularly defined by claims at the conclusion hereof.

In the drawings: Figure 1 is a side elevation of the improved press in open position. Fig. 2 is a longitudinal section. Fig. 3 is an fend elevation. Fig. 4 is a side elevation y Specification of Letters Patent.

Application filed January 11, 1908.

iEatented Dec. 3o, 1913. Serial No. 410,373.

viewed from the opposite side as shown in Fig. 1. Fig. 5 is a similar view, the pressmembers being shown in position assumed when the lever has been operated a partial stroke. Fig. 6 is a similar view, the lever having been operated further. l Fig. 7 is a detail section showing the connection between the rock-shaft and the movable pressmember. Fig. 8 is a section on line 8--8 of Fig. 2.

The improved press comprises two members A and B, one of which is provided with means whereby it may be connected toapail or tub, and the other of which is connected to the stationary member so it will be relatively movable for a pressing-operation. Member A comprises a pair of side-frames 12 and a plate or wall 13. It has heretofore been customary to provide the stationary press-member with notches or seats of dif-V ferent widths, respectively, adapted to receive a metal pail and a wooden pail, and to dispose the upper and smaller notch for the metal pail at the inner side and the wider seat for the wooden pail at the outer side. As a result of this arrangement, the press would not be securely connected to a metal pail, because the press would be free to play between the lugs at the outer side of the recesses and the legs at the inner. `Each of the side-frames 12 is provided with a downwardly extending leg 15 which is formed with a lug or abutment 16 adapted to engage the inner side of the pail. Each sideframe 12 is also formed with an upper narrow recess or seat 14, adapted to receive the upper rim of a metal pail as shown in Figs. 1 and 2, and a seat 14 adapted to rest on the upper edge of a wooden pail as shown in Fig. 4. The seats 14a are disposed at the inner side of notches 14, and resultantly the press is adapted to be detachably connected to either a wooden or metal pail, and the latter will hold the press more nearly firm `than was possible in the relative disposition of seats as heretofore employed. The plate 13 extends between the side-frames 12 of member A and tie-rods 17 and 18 extending between and secured in said frames securely connect the plate Vand the side-frames together. Plate 13 has horizontally extending corrugations therein to make it rigid and adapt it to resist severe strains without bending. Perforations 19 are formed in plate 13 to permit escape of the liquid expressed from the mop. lThese holes extend downwardly, being formed in those surfaces of the ribbed wall which direct the water downwardly so it will pass into the bucket and so none of it will be forced or squirted upwardly when the press is being operated.

The movable member B of the press is pivotally connected to the relatively stationary member A. A pivot-rod 21 extends through the lower ends of legs 15, of the member A. Press-member B comprises a pair of standards or frames 22, one at each side, and a plate or wall 23. The lower end of each standard 22 is forked (Fig. 2) to straddle the pivot-bolt 21 and to form a pivotal connection between the press-members which can be easily made and assembled. The parts of this pivotal connection are held together by the operating-mechanism hereinafter set forth. Plate 23 forms the movable wall of the press and is also formed of sheet-metal corrugated corresponding to the plate 13 of member A. Bolts 24, extending through and between the standards 22 secure said standards and plate 23 together. Plate 23 fits between ribs 26 and 27 on each of the standards 22 and is thereby secured against lateral movement in the standards.

lThe corrugations of the presser-plates 23 and 13 are relatively disposed so that the raised portions of one plate are adapted to pass between the raised portions or into the depressed surfaces of the other wall. Asa result of this arrangement the mopcloth is more effectively pressed than it would be if straight walls were used. The bottom of the pressV is formed by an extension 28 of the plate or wall 23 and this exf tension is disposed to move inwardly beneath the cross wall 13 of the stationary member. The bottom is perforated to permit the liquid to escape therethrough from the mop to the pail.

The mechanism for operating one member of the press to bring the members together for pressing a mop, comprises a lever 30 and a shaft 31 having an integral extension 32 which is secured by bolts 33 kto the lever to rigidly connect the lever and shaft. This shaft is free to rock and move bodily or slide in guides or ways 34 formed in the side-frames of the stationary-member A vof the press. Shaft 31 is operatively connected to the movable press-member B by open-ended or bifurcated lugs 36 which partially embrace the shaft andare disposed to pivotally connect said member and the shaft for conjoint shift in both directions. The open ends of lugs 36 are provided so that the shaft and movable press-member can be conveniently assembled with 'or connected to the shaft before said member B is placed in operative position in the' stationary-member. The shaft is cut away as at 36a (Fig. 7) opposite each lug 36 so that it can be inserted into the lugs.

Lugs 36 fit between ribs 40 on the rock-shaft. Stops 37 on side-frames 12 limit the outward movement of the movable member and the operating-'mechanism connected thereto. Each end of the shaft 31 has secured thereto or integrally formed therewith an arm 42 which is disposed substantially as shown, and being rigid with the lever forms the` fulcrum-end of the lever. To the distal end of each lever-arm 42, is pivotally connected, as at43, a link 44, which is pivoted to one of the sideframes 12 of the stationary press-member, by a stud 45. Pivot-studs 45, for the links are integrally formed with the side-frames and a Cotter-pin holds each link onits stud.

This construction facilitates the assembling of the parts. These fulcrum-links provide al movable fulcrum for the lever and shaftV which permits the shaft to move bodily with the movable press-member, the shaft traveling in guides 34 of the side-frames 12. This movable fulcrum causesvariation of the relation of the lever-fulcrum, the shaft andv pivot 45 to bring the lever in .such position that during an extended portion of a pressing-operation an unusually effective leverage will be attained.

The operationwill be as follows: Assum- Y ing the press-membersV to be in normal position illustrated in Figs. 1 and 2, of the drawings,` and a mop to have been placed between the plates 13 and 23, the operator will force the lever 30 downwardly and toward the pail. During initial movement of the lever it will swing about its fulcrum 43 and cause shaft 31 to move toward the stationary press-member. As the movement of the lever is continued, the leverage is increased because the links 44 permit the lever-fulcrum 43 to rise as the shaftapproaches link-pivots 45. During the operation of the lever, the lever-fulcrum 43 rises to permit the lever to approachthedeadcenter relation of the linkage and so the leverage will be increased during the latter portion of the operative stroke of the lever and during that part of the stroke, the lever-fulcrum provided by the links, is disposed so that the leverage is greatest. As a result of this movable fulcrum for the lever, great leverage-is attained during an extended portion of the stroke so Vthat either a comparatively thick or thin mop-cloth.

may be effectively pressed. It will be; ob-

vserved that as the link rises the leverage of the shaft is increased and during the latter part of the stroke the link is moved vertically and the lever-arms are approaching the dead-center relation of thelinkage.

The invent-ion possesses severalvimportant advantages. The operating-mechanism comprising the movable fulcrum for the lever and shaft, which constitutes a pivotal connection between the lever and the fixed press-member, provides an effective device for attaining great leverage during a pressingoperation. The construction of this mechanism is simple and can be produced at a low cost. By constructing the presserplates of sheet-metal the press is rendered durable and furthermore, the cost of the production is lessened. The pivotal connection between the lower ends o-f the pressmembers is of such construction that the press-members can be readily assembled and when the members have been connected and the rock-shaft is held in the guides of the stationary press-member, the forked ends of the legs of the movable members are held against displacement. The open-ended lugs for connecting` the rock-shaft to the movable press-member also provide simple means for that purpose. The structure in its entirety, is one possessing durability, and strength, and is eiiicient in operation.

The invention is not to be understood as restricted to the precise details set forth since these may be modified within the scope of the appended claims without departing from the spirit and scope of the invention.

Having thus described the invention, what I claim as new and desire to secure by Letters Patent, is:

l. In a mop-press, the combination of press members capable of being brought together for a pressing-operation, means for connecting them to a receptacle, an operating-lever having a movable fulcrum, an 0perating connection between the lever and one of the members which permitsv the lever to swing with respect to said member, and means for causing the lever fulcrum to travel as the lever is shifted to operate the press.

2. In a mop-press, the combination of press-members capable of being brought together for a pressing-operation, means for connecting them to a receptacle, an operating-lever having a movable fulcrum, a pivotal connect-ion between the lever and one of the members which permits the lever to swing with respect to said member, and means for causing the lever fulcrum to travel as the lever is shifted to operate the press.

3. In a mop-press, the combination of press members capable of being brought together for a pressing operation, means for connecting them to a receptacle, an operating-lever having a movable fulcrum, an operative connection between one of the members and t-he lever comprising a cross shaft which is shifted bodily by said lever, and means for causing the lever fulcrum to travel as the lever is shifted to operate the press.

4. In a mop-press,A the combination of relatively stationary and movable pressmembers and operating-mechanism for one of said members comprising a lever, a. traveling fulcrum for the lever, a cross shaft secured to said lever and connected to the movable member, and means for guiding said shaft so the lever will shift said movable member.

5. In a mop press, the combination of two press members, one of which is stationary and the other of which is movable, a lever a fulcrum-link for said lever pivoted to the stationary member, a bodily movable rockshaft connected to the movable press member and secured to the lever, and means for causing the shaft to move bodily when the lever is shifted about its fulcrum.

RAYMOND B. GILCHRIST.

Witnesses ALFRED CLARKE, MARY OsBoRN.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

